First Page and Inner Page look Same

Hello,
I just install your nice theme here.https://www.rugcleaningplantation.com
I hope that is ok for me. But problem is when i create any new page or New post same widget come there also. I need there should be only post
not any thing else. How it will be possible? Please help.
Summery: Inner page https://www.rugcleaningplantation.com/contact/ i need totally blank Only there will be post , no other option.

with thanks
Designfo Team